Kix will auto-convert without functions
 Code:
$V = "6"      ; number is a string type
$V = 0 + $V   ; now it's a number
$V = '' + $V  ; back to a string
$V = 1.0 * $V ; floating point
When Kix encounters an expression similar to above, the first value determines the result, casting all other values. Thus, if $V contained "6" (a string), then
 Code:
$V + 4
would equal "64" and not 10.

Glenn
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Actually I am a Rocket Scientist! \:D